| Mersch to Montemor-o-Novo | 1,041.05 mi (1,675.40 km) |
| Mersch to Montemor-o-Velho | 977.00 mi (1,572.33 km) |
| Mersch to Montijo | 1,062.20 mi (1,709.45 km) |
| Mersch to Mortagua | 947.40 mi (1,524.70 km) |
| Mersch to Moura | 1,044.86 mi (1,681.54 km) |
| Mersch to Murtosa | 946.65 mi (1,523.49 km) |
| Mersch to Nazare | 1,019.70 mi (1,641.05 km) |
| Mersch to Nelas | 929.60 mi (1,496.04 km) |
| Mersch to Obidos | 1,035.46 mi (1,666.41 km) |
| Mersch to Odemira | 1,113.49 mi (1,791.99 km) |
| Mersch to Odivelas | 1,066.07 mi (1,715.68 km) |
| Mersch to Oeiras | 1,076.48 mi (1,732.43 km) |
| Mersch to Olhao | 1,119.96 mi (1,802.40 km) |
| Mersch to Oliveira de Azemeis | 935.60 mi (1,505.70 km) |
| Mersch to Oliveira de Frades | 931.25 mi (1,498.71 km) |
